Code Execution Vulnerability in Orval Generated JavaScript Clients Affecting Orval Labs
CVE-2026-71865

9.3CRITICAL

Key Information:

Vendor

Orval-labs

Status
Orval
Vendor
CVE Published:
19 August 2026

What is CVE-2026-71865?

An unsafe encoding issue in Orval allows double quotes in query parameter names to be improperly handled, resulting in attacker-controlled JavaScript being executed when the zod schema module is imported. Versions prior to 8.21.0 are affected, allowing potential code execution in various environments, including development and CI pipelines, which could lead to serious security risks.

Affected Version(s)

orval < 8.21.0

References

https://github.com/orval-labs/orval/security/advisories/G...
x_refsource_CONFIRM
https://github.com/orval-labs/orval/pull/3692
x_refsource_MISC
https://github.com/orval-labs/orval/commit/8ef1bfdf3f9bca...
x_refsource_MISC

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.